Finding the Fourth Proportional to 112,912.48, 169,355.76 and 29,812.96
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Solution
The fourth proportional to 112,912.48, 169,355.76 and 29,812.96 is: 44,716.02
Step by Step Solution
- Step 1: Write the proportion equation
112,912.48 : 169,355.76 = 29,812.96 : x - Step 2: Convert to fraction form
112,912.48/169,355.76 = 29,812.96/x - Step 3: Cross multiply
112,912.48x = 169,355.76 × 29,812.96 - Step 4: Simplify right side
112,912.48x = 5,048,996,498.65 - Step 5: Solve for x
x = 5,048,996,498.65/112,912.48 - Step 6: Final answer
x = 44,716.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.